(China (Mainland))
Product Summary
The SM5842APT is a multi-function digital filter IC, fabricated using NPC’s Molybdenum-gate CMOS process, for digital audio reproduction equipment. The SM5842APT features 8-times oversampling (interpolation), independent left and right-channel digital deemphasis, and soft muting functions. The SM5842APT accepts 16, 18, 20 or 24-bit input data, and outputs data in 18, 20, 22 or 24-bit format. It operates using either a 384fs or 256fs system clock at sampling frequencies up to 48 kHz + 10% (384fs SM5842AP, 384/256fs SM5842APT). The applications of the SM5842APT are CD players, DAT players and PCM systems.
Parametrics
SM5842APT absolute maximum ratings: (1)Supply voltage range VDD: -0.3 to 7.0 V; (2)Input voltage range VIN: -0.3 to VDD + 0.3 V; (3)Storage temperature range Tstg: -40 to 125℃; (4)Power dissipation PD: 550 mW; (5)Soldering temperature Tsld: 255℃; (6)Soldering time tsld: 10 s.
Features
SM5842APT features: (1)Crystal oscillator circuit built-in; (2)TTL-compatible input/outputs; (3)5.0 ± 0.25 V supply; (4)Molybdenum-gate CMOS process; (5)28-pin plastic DIP; (6)L/R 2-channel processing; (7)8-times oversampling (interpolation); (8)≤ ±0.00002 dB passband ripple; (9)≥ 117 dB stopband attenuation; (10)Digital deemphasis; (11)32/44.1/48 kHz sampling frequency (fs); (12)2-channel independent ON/OFF control; (13)Soft muting; (14)2-channel independent ON/OFF control; (15)Input data format.
Diagrams
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